Reese has a minimum order requirement. Orders smaller than the required minimum have a longer lead time as we need to consolidate onto a "stock" order. If you need a faster lead time, simply exceed the minimum order amount.
I can tell you that this has an adjustable range of 3/16” total so the projection plus the adjustment value of 3/16” added to the specific placement of where you install the material onto the door in relationship to the other door or possibly the jam will give you the maximum distance that you can mitigate with this piece of weather stripping.
Is there a specific question that we can answer at this time